Expanding DETs Paraguay's national Senate approved legislation imposing a 10 percent export tax on unprocessed soybeans as well as on wheat and corn. The measure is aimed at encouraging the processing of soybeans within the country rather than exporting them as whole soybeans. It also would encourage the export of wheat flour rather than wheat and the export of grain-fed cattle, pigs, and chickens rather than corn. The big proponents of the tax are Paraguay's soybean processors who this year have faced aggressive competition from processors in Argentina.After Argentina suffered a major drought in 2012 that reduced its soybean supply, the government allowed its processors to import soybeans from Paraguay duty-free. This allowed the Argent...